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Nikos Karatzas is currently serving as the Director of Training at Σχολείο Επιστημονικής Κατάδυσης - Τμήματος Γεωλογίας και Γεωπεριβάλλοντος - ΕΚΠΑ _ AquaTec. Nikos is also a Tutor in Photogrammetry _ Field data Acquisition at CIVIS - Europe's Civic University Alliance. Additionally, Nikos is a member of the E Learning Πανεπιστήμιο Αθηνών. With a background in underwater investigation and project leadership in aviation archaeology, Nikos brings a wealth of experience and expertise in various fields.